certain project needs an investment of $1,000,000 and will deliver profits of $250,000 the first year, $350,000 the second year, $400,000 per year in year 3 and 4 and $500,000 per year from year 5 to 7 at the end of the 7 year period, the project can be sold for $200,000. what is the Discounted payback Period for the project? Use an interest rate of 15%